Displaying 1 result from an estimated 1 matches for "speex_preprocess_get_vad_parameters".
2005 Sep 18
1
Adjustable parameters for VAD in preprocessor
...eral interest? At the moment, whether or not
"is_speech" is 1 is hardcoded to be (speec_prob > .35 or >.1 within last 20
frames or it's been less than 20 frames without).. I'd like to turn those 4
constants into speex_preprocess_ctl tunable variables, most likely through
SPEEX_PREPROCESS_GET_VAD_PARAMETERS / SET_VAD_PARAMETERS with ptr being a
pointer to
typedef struct {
float trigger_level;
float keep_level;
int keep_window;
int tail_length;
} SpeexPreprocessVadParameters;
I'm a bit unsure if keep_window (used with prob > .1) should be the same as
tail_length. At the moment, I...